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The Flat Willow Colony handbook

Living in Flat Willow Colony, MT: what to set up and who to call

Flat Willow Colony has no town government of its own, so Musselshell County runs its elections and most services, and its children attend Roundup Elementary School District. Power in Flat Willow Colony comes from Fergus Electric Coop, a cooperative utility rather than a private company.

Which school will my kid attend?How do I register to vote?ZIP codes
Flat Willow Colony has no town government. It’s a census-designated place in Musselshell County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Flat Willow Colony’s town page under “Getting set up”.

I’m new in town

What to set up in Flat Willow Colony, and who provides it. Tap an answer for the details and where they come from.

PowerFergus Electric Coopcooperative utility · 15.9¢/kWhMore →
InternetWhich providers serve Flat Willow ColonyData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have Flat Willow Colony’s trash rules yetMore →SchoolRoundup High and Roundup Elementary districtsWhich school depends on grade and addressMore →Register to voteIn personRules from vote.govMore →ZIP code59072Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Flat Willow Colony.

Electricity

Power comes from Fergus Electric Coop

Fergus Electric Coop (Fergus Electric Coop, Inc), a cooperative utility, serves all of Flat Willow Colony. Its homes paid an average of 15.9¢ per kWh in 2025, about $143 a month (its average across Montana).

Start or move service: www.ferguselectric.coop · (406) 538-3465

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

Which providers serve Flat Willow Colony

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Flat Willow Colony, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.

Source to come: FCC Broadband Data Collection.

Trash & recycling

We don’t have Flat Willow Colony’s trash rules yet

Pickup rules, the dump and recycling in Flat Willow Colony.

Trash, recycling and bulk pickupNot on fileFlat Willow Colony has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Flat Willow Colony kids go to
PK–6Roundup Elementaryin Roundup
7–8Roundup 7-8in Roundup
9–12Roundup H Sin Roundup

Flat Willow Colony is in two districts that split the grades: Roundup Elementary School District and Roundup High School District.

Test scores and every school: see Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

No town hall: the county runs things

Flat Willow Colony is unincorporated, so Musselshell County is the local government.

Local governmentMusselshell CountyFlat Willow Colony is a census-designated place: no town hall of its ownCensus
Who runs elections hereMusselshell County Election AdministratorElections here are run by Musselshell County (county election office). Its listing was last updated in 2015, so we don’t show its contacts: check prodvoterportal.mt.gov.FVAP, Aug 2015
Register to voteIn personMontana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before).vote.govCheck your registration and polling placeprodvoterportal.mt.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.

ZIP codes & area codes

Flat Willow Colony is in ZIP code 59072

ZIP codes where Flat Willow Colony residents live, with the share of the town in each.

ZIPPost office nameShare of Flat Willow ColonyZIP’s residents in Flat Willow Colony
59072Roundup, MT100%0%

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomRoundup Memorial Healthcare19 miles awayGet a library cardRoundup School-Community Library601 6th Ave West · (406) 323-1802

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Flat Willow Colony

Who provides electricity in Flat Willow Colony?

Fergus Electric Coop (Fergus Electric Coop, Inc), a cooperative utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).

What ZIP codes are in Flat Willow Colony?

59072. Census 2020 ZIP Code Tabulation Areas.

What school district is Flat Willow Colony in?

Roundup Elementary School District and Roundup High School District.

How do I register to vote in Flat Willow Colony?

Montana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before). Elections here are run by the Musselshell County Election Administrator. Check your registration at prodvoterportal.mt.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet (FCC): pending.